212100034444 has 24 divisors (see below), whose sum is σ = 387966348000. Its totient is φ = 101268059904.

The previous prime is 212100034423. The next prime is 212100034451. The reversal of 212100034444 is 444430001212.

It is a super-2 number, since 2×212100034444² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1889319 + ... + 1998430.

It is an arithmetic number, because the mean of its divisors is an integer number (16165264500).

Almost surely, 2^212100034444 is an apocalyptic number.

It is an amenable number.

212100034444 is a deficient number, since it is larger than the sum of its proper divisors (175866313556).

212100034444 is a wasteful number, since it uses less digits than its factorization.

212100034444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888369 (or 3888367 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 212100034444 its reverse (444430001212), we get a palindrome (656530035656).

The spelling of 212100034444 in words is "two hundred twelve billion, one hundred million, thirty-four thousand, four hundred forty-four".